Pull requests should be opened with the develop branch as the base. Do not
open pull requests into the master branch, as this branch contains the latest
stable release.
Try running your code through PHP_CodeSniffer (PHPCS) and the WordPress Coding Standards sniffs.
You can run PHPCS, JSHint, and (if available) PHPUnit automatically by symlinking to the bundled pre-commit hook:
cd .git/hooks
ln -s ../../bin/pre-commit .